Home / 17,595.47-26,393.64-5,115.61

Finding the Fourth Proportional to 17,595.47, 26,393.64 and 5,115.61

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Solution

The fourth proportional to 17,595.47, 26,393.64 and 5,115.61 is: 7,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,595.47 : 26,393.64 = 5,115.61 : x
  2. Step 2: Convert to fraction form
    17,595.47/26,393.64 = 5,115.61/x
  3. Step 3: Cross multiply
    17,595.47x = 26,393.64 × 5,115.61
  4. Step 4: Simplify right side
    17,595.47x = 135,019,568.72
  5. Step 5: Solve for x
    x = 135,019,568.72/17,595.47
  6. Step 6: Final answer
    x = 7,673.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.